478791625 has 16 divisors (see below), whose sum is σ = 643498128. Its totient is φ = 353568000.

The previous prime is 478791617. The next prime is 478791647. The reversal of 478791625 is 526197874.

It can be written as a sum of positive squares in 8 ways, for example, as 332405824 + 146385801 = 18232^2 + 12099^2 .

It is not a de Polignac number, because 478791625 - 2³ = 478791617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145696 + ... + 148945.

It is an arithmetic number, because the mean of its divisors is an integer number (40218633).

Almost surely, 2^478791625 is an apocalyptic number.

It is an amenable number.

478791625 is a deficient number, since it is larger than the sum of its proper divisors (164706503).

478791625 is a wasteful number, since it uses less digits than its factorization.

478791625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294669 (or 294659 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 478791625 is about 21881.3076620206. The cubic root of 478791625 is about 782.3159444212.

The spelling of 478791625 in words is "four hundred seventy-eight million, seven hundred ninety-one thousand, six hundred twenty-five".